Home / 532,428.06-734,752.26-290,712.72

Finding the Fourth Proportional to 532,428.06, 734,752.26 and 290,712.72

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Solution

The fourth proportional to 532,428.06, 734,752.26 and 290,712.72 is: 401,184.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,428.06 : 734,752.26 = 290,712.72 : x
  2. Step 2: Convert to fraction form
    532,428.06/734,752.26 = 290,712.72/x
  3. Step 3: Cross multiply
    532,428.06x = 734,752.26 × 290,712.72
  4. Step 4: Simplify right side
    532,428.06x = 213,601,828,030.75
  5. Step 5: Solve for x
    x = 213,601,828,030.75/532,428.06
  6. Step 6: Final answer
    x = 401,184.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.